﻿/*
 *   _____                                ______
 *  /_   /  ____  ____  ____  _________  / __/ /_
 *    / /  / __ \/ __ \/ __ \/ ___/ __ \/ /_/ __/
 *   / /__/ /_/ / / / / /_/ /\_ \/ /_/ / __/ /_
 *  /____/\____/_/ /_/\__  /____/\____/_/  \__/
 *                   /____/
 *
 * Authors:
 *   钟峰(Popeye Zhong) <zongsoft@qq.com>
 *
 * Copyright (C) 2010-2020 Zongsoft Studio <http://www.zongsoft.com>
 *
 * This file is part of Zongsoft.Data library.
 *
 * The Zongsoft.Data is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3.0 of the License,
 * or (at your option) any later version.
 *
 * The Zongsoft.Data is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the Zongsoft.Data library. If not, see <http://www.gnu.org/licenses/>.
 */

using System;
using System.Reflection;

using Zongsoft.Services;
using Zongsoft.Data.Common;

namespace Zongsoft.Data;

/// <summary>
/// 提供数据访问操作的环境信息。
/// </summary>
[DefaultMember(nameof(Filters))]
[Service(Members = $"{nameof(Filters)}")]
public static class DataEnvironment
{
	#region 成员字段
	private static IDataValidatorProvider _validators;
	#endregion

	#region 静态构造
	static DataEnvironment()
	{
		Drivers = new();
		Filters = new();
		Populators = new();
		_validators = DataValidatorProvider.Instance;
	}
	#endregion

	#region 公共属性
	public static DataDriverCollection Drivers { get; }
	public static DataAccessFilterCollection Filters { get; }
	public static DataPopulatorProviderManager Populators { get; }

	public static IDataValidatorProvider Validators
	{
		get => _validators;
		set => _validators = value ?? throw new ArgumentNullException();
	}
	#endregion
}
